diff --git a/spring-session-data-redis/src/main/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStore.java b/spring-session-data-redis/src/main/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStore.java
index 4b77bd16e..c01f05a24 100644
--- a/spring-session-data-redis/src/main/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStore.java
+++ b/spring-session-data-redis/src/main/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStore.java
@@ -75,8 +75,8 @@ public void remove(String sessionId) {
 
 	/**
 	 * Retrieves the sessions that are expected to be expired and invoke
-	 * {@link #touch(String)} on each of the session keys, resolved via
-	 * {@link #getSessionKey(String)}.
+	 * {@link #touch(String)} on each of the expired keys, resolved via
+	 * {@link #getExpiredKey(String)}.
 	 */
 	@Override
 	public void cleanupExpiredSessions() {
@@ -86,8 +86,8 @@ public void cleanupExpiredSessions() {
 			return;
 		}
 		for (Object sessionId : sessionIds) {
-			String sessionKey = getSessionKey((String) sessionId);
-			touch(sessionKey);
+			String expiredKey = getExpiredKey((String) sessionId);
+			touch(expiredKey);
 		}
 	}
 
@@ -105,8 +105,8 @@ private void touch(String sessionKey) {
 		this.redisOps.hasKey(sessionKey);
 	}
 
-	private String getSessionKey(String sessionId) {
-		return this.namespace + ":sessions:" + sessionId;
+	private String getExpiredKey(String sessionId) {
+		return this.namespace + ":sessions:expires:" + sessionId;
 	}
 
 	/**
diff --git a/spring-session-data-redis/src/test/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStoreTests.java b/spring-session-data-redis/src/test/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStoreTests.java
index baf254f04..bf7f11afc 100644
--- a/spring-session-data-redis/src/test/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStoreTests.java
+++ b/spring-session-data-redis/src/test/java/org/springframework/session/data/redis/SortedSetRedisSessionExpirationStoreTests.java
@@ -78,9 +78,9 @@ void cleanupExpiredSessionsThenTouchExpiredSessions() {
 			.reverseRangeByScore(anyString(), anyDouble(), anyDouble(), anyLong(), anyLong()))
 			.willReturn(Set.of("1", "2", "3"));
 		this.expirationStore.cleanupExpiredSessions();
-		verify(this.redisTemplate).hasKey("spring:session:sessions:1");
-		verify(this.redisTemplate).hasKey("spring:session:sessions:2");
-		verify(this.redisTemplate).hasKey("spring:session:sessions:3");
+		verify(this.redisTemplate).hasKey("spring:session:sessions:expires:1");
+		verify(this.redisTemplate).hasKey("spring:session:sessions:expires:2");
+		verify(this.redisTemplate).hasKey("spring:session:sessions:expires:3");
 	}
 
 }